64021185

素因数分解:

$3^4\times 5^1\times {\mathrm{158077}}^1$

素因数の和:158094

約数の個数: 20

約数和(自身を含む): 114764628

約数和(自身を除く): 50743443

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 158077, 474231, 790385, 1422693, 2371155, 4268079, 7113465, 12804237, 21340395, 64021185]

約数ペア:

[(1, 64021185), (3, 21340395), (5, 12804237), (9, 7113465), (15, 4268079), (27, 2371155), (45, 1422693), (81, 790385), (135, 474231), (405, 158077)]